* rename flowgraphType to loadType
Signed-off-by: Nbigsheeper <yihao.dai@zilliz.com>

* add load type and released partitions
Signed-off-by: Nbigsheeper <yihao.dai@zilliz.com>

* filter released partition
Signed-off-by: Nbigsheeper <yihao.dai@zilliz.com>